“The Secret Life of Walter Mitty” is a story about a person who always has a daydream, and can have different characters in his daydream, he is hen-pecked man, an absent-minded driver. He can't handle simple mechanical tasks, and he forgets things easily. In his first dream, Walter Mitty is a person who in charge of hydroplane, he was a commander he was driving toward Waterbury at a fast speed. Then he came to his second dream, he thought that he was a person that could fix a machine by a pencil, he knew everything and he had a book on streptothricosis, everyone needed him to take over the operation. Now here is reality, after he was driving too fast, his wife suggested him, and he was drawn back to reality by Mrs. Mitty’s complaint that he was driving too fast, which indicates that his driving was what led to the daydream. After Walter put down his wife who was going to have her hair done, he drove to go shopping. After that, he was fooled by a parking-lot attendant, for his clumsy skill of parking, it’s difficult to him and he always forgot to have the chains taken off. He attempted to remember what his wife told him to buy and heard a newsboy shouting about “the Waterbury Trial”, but he forgot what he would buy. Walter Mitty daydream because a lot of events happened around him, but people cannot live in their imaginary because reality is the truth, maybe it’s cruel.